package com.example.u10.prac19;

class OuterA {
    class InnerA {
        class InnerInnerA{

        }
    }

    interface InterfaceA{
        void print();
    }

    void needInterfaceA(InterfaceA a){
        a.print();
        System.out.println("引用InterfaceA完毕");
    }
}
